Importance

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Abstract

A high performance, low cost filter having a capacitor electrically connected therein to effectively block electromagnetic noise signals that are generated by certain electrical and electromechanical devices, including an electric motor, such as that commonly associated with either of the engine of a motor vehicle or a household appliance. In one embodiment of the invention, the filter is provided in combination with a fuse link that is particularly structured to have both relatively low inductance and low fusing current characteristics. The capacitor and the fuse link may be contained within a filter housing. Moreover, both the capacitor and the fuse link may be flexibly mounted within the filter housing, to thereby reduce the application of mechanical stresses and minimize the likelihood of possible damage thereto during the handling and installation of the filter. In the assembled relationship, the filter housing is particularly structured so that a portion thereof containing the capacitor can be located exterior to the housing of the electrical or electromechanical device from which electromagnetic noise is generated, so as to reduce the amount of heat to which the filter capacitor is subjected during operation of the device. In another embodiment of the invention, a low inductance fuse is fabricated (apart from in combination with the aforementioned filter) by means of strip line transmission line techniques and interconnected between a source and a load of an electrical or electromechanical system.

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First Claim